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Finding the Fourth Proportional to 528.96, 793.71 and 240.36

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Solution

The fourth proportional to 528.96, 793.71 and 240.36 is: 360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.96 : 793.71 = 240.36 : x
  2. Step 2: Convert to fraction form
    528.96/793.71 = 240.36/x
  3. Step 3: Cross multiply
    528.96x = 793.71 × 240.36
  4. Step 4: Simplify right side
    528.96x = 190,776.14
  5. Step 5: Solve for x
    x = 190,776.14/528.96
  6. Step 6: Final answer
    x = 360.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.